Why we can't increase or decrease voice while using radio and when screen is on.

[ayu123]

When we switch of light we can increase or decrease it??

[cs-member13]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We apologize for the inconvenience caused to you. We would request you to kindly raise your concern under the Ask Question section from Samsung Member Application with more details, so that we can help you out with this.
Samsung member application > Click on get help > Send feedback > Ask question.

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support